CN111366755A - Automatic adjusting limiting and capacity grading movement mechanism and clamping method of polymer soft package lithium battery - Google Patents

Abstract

A self-adjusting limit-capacity-distributing motion mechanism and a clamping method for a polymer soft-packed lithium battery, the mechanism comprises a mechanism bottom plate for supporting other components of the automatic-adjustment limit-volume-distributing motion mechanism for a polymer soft-packed lithium battery; There are two sets of needle position adjustment and clamping devices, which are arranged on the left and right sides of the bottom plate of the mechanism, including the position adjustment mechanism and the tab clamping mechanism, which are used to position and clamp the tabs of the polymer soft-pack lithium battery; the battery A tray support device for carrying a polymer soft-packed lithium battery tray; and a battery tray for carrying a soft-packed lithium battery; the clamping method includes the following steps: placing the polymer soft-packed lithium batteries distributed on both sides of the pole ears Put in the battery tray; adjust the position of the probe and the clamping device until the tab clamping mechanism clamps the battery tabs. The beneficial effects of the invention are: simple structure, easy assembly and wide applicability.

Description

Automatic adjustment limit and capacity separation movement mechanism and clamping method of polymer soft-pack lithium battery

technical field

The invention relates to an automatic adjustment limit capacity dividing movement mechanism and a clamping method for a polymer soft-pack lithium battery, belonging to the technical field of a polymer soft-pack lithium battery capacity dividing test equipment.

Background technique

Soft-pack lithium battery is a kind of lithium battery. The key materials used in it: positive electrode material, negative electrode material and separator, are not much different from traditional steel shell and aluminum shell lithium battery. The biggest difference is the flexible packaging material (aluminum-plastic composite film). The soft-pack lithium battery is structurally packaged with aluminum-plastic film, while the polymer soft-pack lithium battery is a kind of soft-pack lithium battery, and its electrolyte material is polymer. , specifically gelling liquid organic solvents, or directly using all-solid-state electrolytes. In the testing process of polymer soft-pack lithium batteries, the capacity division test is to perform several full-load charge-discharge cycles on the activated battery to test the internal resistance and charge-discharge capacity of the lithium battery. Problems (such as too low capacity, too large self-discharge, too large internal resistance) batteries, the second is to group batteries according to capacity and internal group, and select batteries with similar performance to form a battery pack.

The distribution of the polar tabs of the polymer soft-packed lithium battery is mainly distributed on both sides. In order to adapt to different types of polymer soft-packed lithium batteries, it is necessary to change the volume distribution movement mechanism of the soft-packed lithium battery. The capacity distribution test takes a long time and has a large workload. In the process of changing the model, the work efficiency is low, which greatly increases the time cost and labor cost.

SUMMARY OF THE INVENTION

In order to solve this problem, the present invention proposes a self-adjusting limit and capacity-distributing movement mechanism and a clamping method for a polymer soft-packed lithium battery. This structure has the advantages of simple structure, easy assembly and adaptability to various types of polymers. Soft pack lithium battery and other characteristics.

The automatic adjustment, limit, and capacity-distribution motion mechanism of the polymer soft-packed lithium battery according to the present invention is characterized in that it includes:

The bottom plate of the mechanism has a horizontal installation platform, which is used to support other parts of the automatic adjustment limit and volume separation movement mechanism of the polymer soft-packed lithium battery;

There are two sets of probe position adjustment and clamping devices, which are arranged on the left and right sides of the mechanism base plate, including the position adjustment mechanism and the pole lug clamping mechanism. The position adjustment mechanism is installed on the installation platform of the mechanism base plate and is used to adjust the pole The position of the lug clamping mechanism; the lug clamping mechanism is installed on the movable part of the position adjustment part, and keeps the clamping parts of the two sets of lug clamping parts facing each other, which is used to clamp the polar lugs of the polymer soft-pack lithium battery tight;

The battery tray support device is installed on the installation platform and located between the two sets of probe position adjustment and clamping devices, and is used to carry the polymer soft-pack lithium battery tray;

And the battery tray, which is located just above the battery tray support device, is used to carry the soft-pack lithium battery.

The probe position adjustment and clamping device has two sets, the components are the same, the positions are in a mirror image relationship, and are symmetrically installed on the left and right sides of the center line of the mechanism bottom plate, and face two sets of battery tray support devices; the probe The position adjustment mechanism of the needle position adjustment and clamping device includes an X-direction cylinder part, an X-direction electric cylinder part and a Y-direction cylinder part. The X-direction cylinder part is installed on the mechanism base plate and is used to adjust the two sets of pole lug clamping mechanisms. distance between; the X-direction electric cylinder part is installed on the movable part of the X-direction cylinder part, and is used to adjust the distance between the two sets of tab clamping mechanisms to adapt to the polymer soft-pack lithium battery tabs; Y-direction cylinder The part is installed on the movable part of the cylinder part in the X direction, which is used to drive the tab clamping mechanism to move horizontally in the Y direction, and is used to cooperate with the Y direction position of the tab of the polymer soft-packed lithium battery; the tab clamping mechanism It is installed on the movable end of the cylinder part in the Y direction, and is used to control the clamping and loosening of the tab of the polymer soft-packed lithium battery by the test probe. It is the X-direction, which defines the Y-direction that the telescopic direction of the cylinder components is arranged along the clamping direction of the tab clamping mechanism, which is the Y-direction.

The X-direction cylinder components include an X-direction cylinder, an X-direction support shaft, an X-direction support seat, an X-direction bearing seat and an X-direction flat plate; the front end of the X-direction cylinder is supported on the installation platform, and its tail end passes through the X-direction bearing. The seat is fixedly connected with the X-direction plate to provide the power for the X-direction cylinder components to move in the X-direction; the X-direction support shaft is installed and fixed on the mechanism base plate through the X-direction support seat to provide the X-direction cylinder components for translational movement Guide; the X-direction bearing seat is sleeved on the X-direction support shaft and is slidably connected with it to support and install the X-direction plate; the X-direction plate is installed on the X-direction bearing seat for support and installation Other parts of the probe position adjustment and clamping device slide axially along the X-direction support shaft.

The X-direction electric cylinder components include an X-direction electric cylinder, an X-direction limit block and an X-direction stop; the X-direction electric cylinder is installed on the lower bottom surface of the flat plate, and the telescopic direction of the X-direction electric cylinder and the telescopic direction of the X-direction cylinder are Consistently, the end of the X-direction electric cylinder is installed with a limit block as the push end; the stopper is installed on the installation platform, and is located in the movement track range in front of the limit block, which is used to prevent the X-direction cylinder from continuing to move. .

The Y-direction cylinder component includes a Y-direction cylinder, a Y-direction support plate, a Y-direction slide rail, a Y-direction connecting plate and a Y-direction support shaft; the Y-direction cylinder is mounted on the Y-direction support plate and is adjusted along the probe position It is arranged in the Y direction of the clamping device, and its pushing end is connected with the pole lug clamping mechanism to drive the pole lug clamping mechanism to translate along the Y direction; the Y direction support plate is slidably installed on the X direction plate through the sliding rail, It is used to support and install the pole lug clamping mechanism; the slide rail is installed on the X-direction plate of the X-direction cylinder component, and is slidably connected with the Y-direction support plate, used for the Y-direction cylinder to push the Y-direction support plate to translate and slide along the Y-direction Guiding; there are two Y-direction connecting plates, which are installed at both ends of the Y-direction support plate, and are connected by Y-direction support shafts, which are used to support and install the tab clamping mechanism.

The pole ear clamping mechanism includes a clamping cylinder, a probe clamp and a mounting plate; the clamping cylinder has two sets, which are respectively installed at both ends of the connecting plate, and the linear movable front end of the clamping cylinder is along the Y direction. It is arranged to control the clamping and loosening actions of the probe clamp on the polymer soft-packed lithium battery tabs; the probe clamp is installed on the linear movable front end of the clamping cylinder and faces the battery tray support device, and the probe clamp The needle clamp is provided with several clamping blocks along the axial direction for clamping the tabs of the soft-packed lithium battery, so as to contact the test probe with the tabs of the polymer soft-packed lithium battery; the mounting plate is installed on the On the Y-direction support plate and inside the Y-direction connecting plate, it is used to support and install the probe holder.

The battery tray supporting device has two sets. The two sets of battery tray supporting devices have the same components and are located in a mirror image relationship. They are symmetrically arranged on the left and right sides of the center line of the mechanism bottom plate, and are located in the two sets of probe position adjustment and clamping. The battery tray is installed on the horizontal processing plane between the devices; the battery tray supporting device includes a tray supporting part, a tray placing part, a battery tray holding part and a sensor detection part; the tray supporting parts have two, Installed on the bottom plate of the mechanism, according to the working height, it plays the role of supporting the tray placement part; the tray placement part is installed above the tray support part, used for the placement of the battery tray, and provides a guiding and limiting role for the placement of the battery tray; so The tray holding part is located under one end of the tray placing part, and is used to provide a holding effect after the battery tray is in place; the sensor detection part is located at one end of the tray placing part, and is adjacent to the tray holding part, and is used to assist in detecting whether There is a role for the battery tray and then whether the battery tray is in the working position.

The battery tray includes a base, an outer frame and an inner lining, and contains a polymer soft-packed lithium battery; the base is the bottom plate of the battery tray and is fixedly mounted with the outer frame. The outer frame is provided with gaps for extending the tabs of the polymer soft-packed lithium battery on its opposite sides; the inner lining is laid on the surface of the bottom, and there are several inside for placing the polymer soft-packs The card position of the lithium battery, so that the polymer soft-pack lithium battery is placed vertically on the card position, and the tabs of the soft-pack lithium battery are kept protruding from the gap of the outer frame to the left and right.

The method for adjusting and clamping the polar tabs of the polymer soft-packed lithium battery with the polar tab distribution on both sides by using the automatic adjustment, limit, and capacity-distribution motion mechanism of the polymer soft-packed lithium battery according to the present invention is characterized in that , including the following steps:

1) Put the polymer soft-packed lithium battery with the polar tabs on both sides into the battery tray, and then place the battery tray on the battery tray support frame. The installation preparation is complete, and ensure that the polar tabs of the polymer soft-packed lithium battery are from both sides stretch out;

2) When the battery tray is placed on the battery tray support device, when the X-direction cylinder moves, it drives the X-direction plate movement, and finally drives the probe position adjustment and the horizontal movement of the clamping device. When the X-direction limit of the X-direction electric cylinder part is When the position block hits the stopper, the X-direction cylinder of the X-direction cylinder part stops moving, and then the probe position adjustment and the clamping device stop moving;

3) The X-direction electric cylinder of the X-direction electric cylinder part starts, and then moves horizontally with the X-direction flat plate, and finally achieves the horizontal and precise movement of the tab clamping mechanism in the X-direction, which is consistent with the X-direction of the polymer soft-packed lithium battery tab. precise location;

4) When the Y-direction cylinder of the Y-direction cylinder part moves, it drives the movement of the support plate, which in turn drives the horizontal movement of the tab clamping mechanism. When it moves to match the position of the polar tab of the polymer soft-packed lithium battery, the movement stops;

5) When the probe position adjustment and the probe part of the clamping device are in contact with the tab, and the positions are matched, the clamping cylinder of the tab clamping mechanism is activated to make the probe clamp clamp the tab.

The beneficial effects of the present invention are: the structure has the characteristics of simple structure, easy assembly and wide applicability, and is mainly a polymer soft-packed lithium battery with different sizes of pole ears widely adapting to the distribution mode of the two sides of the pole ears.

Description of drawings

Fig. 1 is the structure diagram of the present invention's automatic adjustment limit and capacity-distributing movement mechanism;

Fig. 2 is the front view of the present invention's automatic adjustment limit and capacity dividing movement mechanism;

Fig. 3 is the top view of the present invention's automatic adjustment limit and capacity dividing movement mechanism;

Fig. 4 is the top view of the present invention's automatic adjustment limit and capacity dividing movement mechanism;

Figure 5 is a front view of the probe position adjustment and clamping device of the volume dividing movement mechanism;

Figure 6 is a front view of the probe position adjustment and clamping device of the volume dividing movement mechanism;

Figure 7 is a front view of the X-direction cylinder component of the volume-division motion mechanism;

Figure 8 is a top view of the X-direction cylinder component of the volume-division motion mechanism;

Figure 9 is a left side view of the X-direction cylinder component of the volume-distributing motion mechanism;

Figure 10 is a structural diagram of the X-direction electric cylinder component of the volume-distributing motion mechanism;

Figure 11 is a front view of the X-direction electric cylinder component of the volume dividing movement mechanism;

Figure 12 is a structural diagram of the Y-direction cylinder component of the volume-division motion mechanism;

Figure 13 is a front view of the Y-direction cylinder component of the volume dividing movement mechanism;

Figure 14 is a left side view of the Y-direction cylinder component of the volume dividing movement mechanism;

Figure 15 is a structural diagram of a battery tray support device of a capacity-separating movement mechanism;

Fig. 16 is the structure diagram of the tray holding part of the dividing movement mechanism;

FIG. 17 is a structural diagram of a battery tray of a capacity-separating movement mechanism.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

Refer to the attached picture:

Embodiment 1 The automatic adjustment, limit, and capacity-distribution motion mechanism of the polymer soft-pack lithium battery according to the present invention includes:

The mechanism base plate 1 has a horizontal installation platform, which is used to support other components of the self-adjusting limit and capacity-distributing movement mechanism of the polymer soft-packed lithium battery;

The probe position adjustment and clamping device 2, a total of two sets, are arranged on the left and right sides of the mechanism base plate, including the position adjustment mechanism and the pole ear clamping mechanism 24, wherein the position adjustment mechanism is installed on the installation platform of the mechanism base plate, used for Adjust the position of the tab clamping mechanism; the tab clamping mechanism is installed on the movable part of the position adjustment part and keeps the clamping parts of the two sets of tab clamping parts facing each other. to clamp;

The battery tray supporting device 3 is installed on the installation platform, and is located between the two sets of probe position adjustment and clamping devices, and is used to carry the polymer soft-pack lithium battery tray;

and a battery tray 4, which is located just above the battery tray support device and is used to carry the soft-pack lithium battery.

The probe position adjustment and clamping device 2 has two sets, the components are consistent, the positions are in a mirror image relationship, and are symmetrically installed on the left and right sides of the center line of the mechanism bottom plate, and face two sets of battery tray support devices; the The position adjustment mechanism of the probe position adjustment and clamping device includes an X-direction cylinder part 21, an X-direction electric cylinder part 22 and a Y-direction cylinder part 23. The X-direction cylinder part 21 is installed on the mechanism base plate 1 for adjusting the two parts. The distance between the sets of pole lug clamping mechanisms; the X-direction electric cylinder part 22 is installed on the movable part of the X-direction cylinder part 21 to adjust the distance between the two sets of pole lug clamping mechanisms to suit the polymer soft pack Lithium battery tabs; the Y-direction cylinder part 23 is installed on the movable part of the X-direction cylinder part 21 to drive the tab clamping mechanism to move horizontally in the Y direction, and is used to connect with the Y direction of the tabs of the polymer soft-packed lithium battery. The pole lug clamping mechanism 24 is installed on the movable end of the Y-direction cylinder part 23 to control the clamping and loosening of the pole lug of the polymer soft-packed lithium battery by the test probe, wherein the X-direction cylinder is defined The expansion and contraction directions of the components and the X-direction electric cylinder components are the same, which is the X-direction.

The X-direction cylinder component 21 includes an X-direction X-direction cylinder 211, an X-direction X-direction support shaft 212, an X-direction X-direction support seat 213, an X-direction X-direction bearing seat 214 and an X-direction X-direction flat plate 215; the X-direction The front end of the X-direction cylinder 211 is supported on the installation platform, and its rear end is fixedly connected to the X-direction X-direction flat plate 215 through the X-direction X-direction bearing seat 214 to provide the power for the X-direction cylinder components to move in the X-direction; The X-direction support shaft 212 is installed and fixed on the mechanism base plate through the X-direction support seat 214 to provide translational motion guidance of the X-direction cylinder component 21; the X-direction X-direction bearing seat 214 is sleeved on the X-direction X-direction support shaft 212 and slidingly connected with it for supporting and installing the X-direction plate; the X-direction X-direction plate 215 is installed on the X-direction X-direction bearing seat 214 for supporting and installing the probe position adjustment and clamping device The other components slide axially along the X-direction support shaft.

The X-direction electric cylinder component 22 includes an X-direction X-direction electric cylinder 221, an X-direction X-direction X-direction block 223 and an X-direction stopper 223; the X-direction electric cylinder is installed on the lower bottom surface of the plate, and the X-direction electric cylinder The telescopic direction is consistent with the telescopic direction of the X-direction cylinder, and the end of the X-direction electric cylinder is installed with a limit block as the push end; the stop block is installed on the installation platform, and is located in the movement track range in front of the limit block , used to block the X-direction cylinder from continuing to move.

The Y-direction cylinder component 23 includes a Y-direction clamping cylinder 231, a Y-direction Y-direction support plate 232, a Y-direction Y-direction slide rail 233, a Y-direction Y-direction connecting plate 234 and a Y-direction Y-direction support shaft 235; the Y-direction Y-direction support shaft 235; The directional cylinder is installed on the Y-direction support plate, and is arranged along the Y-direction of the probe position adjustment and clamping device. The Y-direction support plate is slidably installed on the X-direction flat plate through the slide rail to support and install the tab clamping mechanism; the slide rail is installed on the X-direction flat plate of the X-direction cylinder component, and is slidably connected with the Y-direction support plate , used for the Y-direction cylinder to push the Y-direction support plate along the Y-direction for translation and sliding guidance; there are two Y-direction connecting plates, which are installed at both ends of the Y-direction support plate and are connected through the Y-direction support shaft to support and Install the tab clamping mechanism.

The tab clamping mechanism 24 includes a clamping cylinder 241, a probe clamp 242 and a mounting plate 243; the clamping cylinder has two sets, which are respectively installed at both ends of the connecting plate, and the linear movement of the clamping cylinder The front end is arranged along the Y direction and is used to control the clamping and loosening actions of the probe clamp on the polymer soft-packed lithium battery tab; the probe clamp is installed on the linear movable front end of the clamping cylinder and faces the battery tray support device , the probe clamp is axially provided with several clamping blocks for clamping the tabs of the soft-packed lithium battery, for contacting the test probe with the tabs of the polymer soft-packed lithium battery; The mounting plate is installed on the Y-direction support plate, and is located on the inner side of the Y-direction connecting plate, for supporting and installing the probe clamp.

The battery tray supporting device 3 has two sets. The two sets of battery tray supporting devices have the same components and are located in a mirror image relationship. They are symmetrically arranged on the left and right sides of the center line of the bottom plate of the mechanism, and are located in the two sets of probe position adjustment and clamp. The battery tray supporting device 3 includes a tray supporting part 31, a tray placing part 32, a battery tray holding part 33 and a sensor detecting part 34; the tray supporting part 34 There are two parts, which are installed on the bottom plate of the mechanism, and according to the working height, play the role of supporting the tray placement part; the tray placement part is installed above the tray support part, used for the placement of the battery tray, and provides the battery tray placement Guide and limit function; the tray holding part is located under one end of the tray placing part, and is used to provide a holding effect after the battery tray is in place; the sensor detection part is located at one end of the tray placing part, and is adjacent to the tray holding part , which is used to assist in detecting whether there is a battery tray, and then whether the battery tray is in the working position.

The battery tray 4 includes a base 41, an outer frame 42 and an inner lining 43, and contains a polymer soft-packed lithium battery; the base is the bottom plate of the battery tray, and is fixedly mounted with the outer frame. The outer frame is provided with gaps for extending the tabs of the polymer soft-packed lithium battery on its opposite sides; the inner lining is laid on the surface of the bottom, and there are several inside for placing the polymer soft-packs The card position of the lithium battery, so that the polymer soft-pack lithium battery is placed vertically on the card position, and the tabs of the soft-pack lithium battery are kept protruding from the gap of the outer frame to the left and right.

Embodiment 2 The automatic adjustment limit and capacity separation motion mechanism of the polymer soft-pack lithium battery described in this embodiment includes:

The mechanism base plate 1 is the basic basic component of the automatic adjustment, limit, and capacity-distribution motion mechanism of the polymer soft-packed lithium battery.

The probe position adjustment and clamping device 2 is located on the left and right sides of the center line of the base plate of the mechanism, and is used to adjust the position of the probe in the X direction and the Y direction, and finally match the size of the polymer soft-pack lithium battery tabs, and adjust the position of the probe in the X direction and the Y direction. Polymer soft-pack lithium battery tabs are clamped.

The battery tray support device 3 is located on the left and right sides of the center line of the mechanism bottom plate, and is located on the inner side of the probe position adjustment and clamping device, and is used to carry the polymer soft-pack lithium battery tray.

The battery tray 4 is located just above the battery tray supporting device, and is used to carry the soft-pack lithium battery.

The bottom plate 1 of the mechanism has a horizontal support plate, which is used to support other components of the self-adjusting, limiting, and capacity-separating movement mechanism of the polymer soft-packed lithium battery.

The probe position adjustment and clamping device 2 is located on the left and right sides of the center line of the mechanism base plate 1, and is used to adjust the X-direction position and the Y-direction position of the probe to finally match the size of the polymer soft-pack lithium battery tabs , and clamp the tabs of the polymer soft-packed lithium battery; the probe position adjustment and clamping device 2 has two sets, the probe position adjustment and clamping device A and the probe position adjustment and clamping device B. The components are the same, and the positions are in a mirror image relationship. They are symmetrically installed on the left and right sides of the center line of the mechanism base plate 1, and face two sets of battery tray support devices 3; the probe position adjustment and clamping device includes an X-direction cylinder Parts 21, X-direction electric cylinder parts 22, Y-direction cylinder parts 23, and tab clamping mechanism parts 24; the X-direction cylinder parts 21 are installed on the mechanism base plate 1, and are used to place the battery trays in the battery tray 4 for support Before the device 3 is installed, the two sets of probe position adjustment and the clamping device 2 are opened to the maximum distance, and then after the battery tray 2 is put in, the two sets of probe position adjustment and the clamping device 2 are reduced to a minimum distance; The X-direction electric cylinder part 22 is installed on the X-direction cylinder part 21, and is used to move the tab clamping mechanism 24 horizontally and accurately in the X-direction, so as to be close to the tabs of the polymer soft-packed lithium battery, and the tabs. The Y-direction cylinder part 23 is installed above the X-direction cylinder part 21, and is used to move the tab clamping mechanism 24 horizontally in the Y-direction, and is used to connect with the tabs of the polymer soft-packed lithium battery. The position in the Y direction is matched; the tab clamping mechanism member 24 is installed on the Y direction cylinder member 23 to control the clamping and loosening of the tab of the polymer soft-packed lithium battery by the test probe.

The X-direction cylinder component 21 includes an X-direction cylinder 211, an X-direction support shaft 212, an X-direction support seat 213, an X-direction bearing seat 214, and an X-direction flat plate 215; the X-direction cylinder 211 is installed and fixed at the X-direction The lower bottom surface of the flat plate 215 is a power component, which provides the power for the X-direction cylinder component 21 to move in the X-direction; the X-direction support shafts 212 have two, which are equally spaced on the left and right sides of the X-direction cylinder 211, and pass through the X-direction. To the support seat 213, it is installed and fixed on the mechanism base plate 1, and is used to provide the translational motion guidance of the cylinder components in the X direction; the X direction bearing seats 214, two, are respectively connected to the X direction support shaft 212, and the X direction The supporting shaft 212 is matched with the shaft hole for supporting and installing the X-direction plate 215; the X-direction plate 215 is installed on the X-direction bearing seat 214 and is used for supporting and installing other components of the probe position adjustment and clamping device 2 When the battery tray 4 is placed on the battery tray support device 3, when the X-direction cylinder 211 moves, it drives the movement of the X-direction plate 215, and then the X-direction plate 215 is supported on the X-direction bearing seat 214 and the X-direction support shaft 212. The horizontal movement in the X direction is carried out under the guidance, and finally the probe position adjustment and the horizontal movement of the clamping device 2 are driven. When the probe position adjustment and the clamping device 2 move to a certain position, the movement stops.

The X-direction electric cylinder part 22 includes an X-direction electric cylinder 221, an X-direction X-direction stopper 223 and a stopper 223; the X-direction electric cylinder 221 is installed on the bottom surface of the X-direction flat plate 215 and is a power source. An X-direction X-direction block 223 is installed at the end, and the block 223 is installed right in front of the X-direction X-direction block 223; when the X-direction cylinder 211 of the X-direction cylinder part 21 drives the X-direction plate 215 to move horizontally, At the same time, the X-direction electric cylinder 221 also moves horizontally. Then, when the X-direction X-direction block 223 of the X-direction electric cylinder part 22 hits the stopper 223, the X-direction cylinder 211 of the X-direction cylinder part 21 stops moving. At this time, the X-direction The electric cylinder 221 is activated, and then moves horizontally with the X-direction plate 215. The X-direction electric cylinder 221 can convert precise speed control, precise rotation number control, and precise torque control into precise speed control, precise position control, and precise thrust control to achieve The high-precision linear motion finally achieves the horizontal and precise movement of the tab clamping mechanism 24 in the X direction, which is precisely matched with the X direction position of the polymer soft-pack lithium battery tab.

The Y-direction cylinder part 23 includes a clamping cylinder 231, a Y-direction support plate 232, a Y-direction slide rail 233, a Y-direction connecting plate 234 and a Y-direction support shaft 235; the clamping cylinder 231 is installed on the Y-direction support The plate 232 is a power component; the Y-direction support plate 232 is installed above the Y-direction slide rail 233 for supporting and installing the pole lug clamping mechanism 24; the Y-direction slide rail 233 is installed on the X-direction cylinder The X-direction flat plate 215 of the component 21 is slidably connected to the Y-direction support plate 232 for the clamping cylinder 231 to push the Y-direction support plate 232 to translate and slide in the Y-direction; the Y-direction connecting plate 234 has two, installed The two ends of the Y-direction support plate 232 are connected by the Y-direction support shaft 235, and the Y-direction connecting plate 234 is used to support and install the tab clamping mechanism 24; when the clamping cylinder 231 moves, it drives the Y-direction support plate 232 Then, the Y-direction support plate 232 moves horizontally in the Y-direction under the guidance of the Y-direction slide rail 233, and finally drives the horizontal movement of the tab clamping mechanism 24. When there is a match, the movement stops.

The tab clamping mechanism 24 includes a cylinder 241, a probe clamp 242 and a mounting plate 243; the cylinder 241 has two sets, which are distributed and installed on the Y-direction connecting plate 234 of the Y-direction cylinder part 23, and are power components. , used to control the clamping and loosening action of the probe clamp 242 on the polymer soft-packed lithium battery tabs; the probe clamp 243 is installed on the linear movable front end of the cylinder 232 and faces the battery tray support device 3 for Contact the test probe with the tab of the polymer soft-packed lithium battery; the mounting plate 243 is mounted on the Y-direction support plate 232 and is located inside the Y-direction connecting plate 234 for supporting and installing the probe clamp 242.

The battery tray supporting device 3 is located on the left and right sides of the center line of the mechanism bottom plate, and is located on the inner side of the probe position adjustment and clamping device, which is used to carry the polymer soft-pack lithium battery tray; the battery tray supporting device 3, There are two sets, which are composed of battery tray support device A and battery tray support device B. The components of battery tray support device A and battery tray support device B are the same, and their positions are in a mirror image relationship. and located on the horizontal processing plane between the two sets of probe position adjustment and the clamping device 2 for installing the battery tray 4; the battery tray supporting device 3 includes a tray supporting part 31, a tray placing part 32, a battery tray The holding part 33 and the sensor detection part 34; the tray supporting parts 31, there are two, which are installed on the mechanism base plate 1, and play the role of supporting the tray placing part 32 according to the working height; the tray placing part 32 is installed in the Above the tray support part 31, it is used for placing the battery tray 4, and provides a guiding and limiting function for the placement of the battery tray 4; the tray holding part 33 is located under one end of the tray placing part 32, and is used for the battery tray 4 to be in place The sensor detection part 34 is located at one end of the tray placing part 32 and adjacent to the tray holding part 33, and is used to assist in detecting whether there is a battery tray 4, and then whether the battery tray 4 is in the working position. effect.

The battery tray is located just above the battery tray support device and is used to carry the soft-pack lithium battery; the battery tray 4 includes a base 41, an outer frame 42 and an inner lining 43, and contains a polymer soft-pack lithium battery. The base 41 is the bottom plate of the battery tray 4 and is fixedly mounted with the outer frame 42 . The outer frame 42 is provided with gaps for extending the tabs of the polymer soft-packed lithium battery on the opposite sides thereof; The card position of the soft-packed lithium battery can make the polymer soft-packed lithium battery vertically placed on the card position, and keep the tabs of the soft-packed lithium battery protruding from the notch of the outer frame 41 left and right.

Embodiment 3 The battery tray supporting device 3 described in this embodiment includes:

The pallet support part 31 includes a bushing assembly 311 for adjusting the height and a bracket height block 312 for adjusting the length of the bushing assembly. The bracket height block is arranged at the adjustment position of the bushing assembly for adjusting the pallet support high;

The tray placing part 32 is arranged on the upper part of the tray supporting unit, the upper part of the tray placing unit is provided with a guide surface, and the end of the guide surface is provided with a blocking part, which is used to place the tray and provide a guide limit for the tray;

The tray holding part 33 is arranged at the bottom of the tray placing unit, and includes a pair of supporting components 331 and a holding driving device arranged opposite to each other. The telescopic end of the device is hinged with a locking piece; the upper part of the two sets of support components is installed on the bottom of the tray placing unit, and the lower part of the two sets of support components is hinged on the head and the locking piece of the gripping drive device, respectively. By adjusting the locking piece angle to hold or loosen the tray in place;

And the sensor detection part 34, which is arranged at the bottom of the tray placing unit, is used for detecting whether there is a tray and judging whether the tray is in the working position.

The shaft sleeve assembly 311 is composed of a bracket support shaft and a support shaft guide pin. The bracket support shaft and the support shaft guide pin are coaxially nested together and can rotate freely; the top of the support shaft is fixedly connected to the pallet holding unit, The lower end of the bracket support shaft is installed on the bottom plate, and the bracket support block 312 is sandwiched between the bracket support shaft and the guide pin of the support shaft.

The tray placement part 32 includes a lower bracket plate 321, a bracket slot plate 322, a bracket rear baffle 323 and a bracket side guide plate 324 as an installation reference, and the bracket lower plate is horizontally fixed on the top of the support shaft guide pin; The bracket groove plate is paved on the surface of the lower plate of the bracket to form a guide surface for guiding the sliding in of the pallet. The rear baffle of the bracket and the side guide plate of the bracket are respectively fixed on the rear end and side of the lower plate of the bracket; the bracket The slot plate and the side guide plate of the bracket guide the tray to slide, and the rear baffle of the bracket is the limit block for the tray.

The bracket side guide plate is a polygonal rounded guide, which is used to adapt to the vertical and horizontal tray guidance.

The gripping drive device 33 includes a cylinder joint 332, a cylinder 333 and a cylinder pushing member 334, the locking member includes a corner 336 and a corner pin 337, and the support assembly is two pieces, one is a cylinder connecting block 331. , the other is the corner connecting block 338, in which the top of the cylinder connecting block and the top of the corner connecting block are installed on the bottom surface of the end of the lower plate of the bracket, and the bottom end of the cylinder connecting block is hinged on the cylinder joint. The bottom end of the connecting block is hinged on the corner; the cylinder and the corner are hinged through the cylinder pusher and the corner pin, so as to control the corner to hold and open the tray according to the movement of the cylinder.

The curved corner 336 has a first connecting end a, a second connecting end b and a locking end c, wherein the included angle between the first connecting end and the locking end is an obtuse angle, the second connecting end is arranged in the upper middle part of the corner, and the first connecting end and the locking end are at an obtuse angle. One connecting end is hinged with the cylinder pusher of the cylinder through the angled pin 335, the second connecting end is hinged with the bottom of the angled connecting block, the locking end is located at the front end of the lower plate of the bracket, and when the locking end is in the locked state , the end of the locking end protrudes beyond the surface of the lower plate of the tray.

The sensor detection part 34 includes a clamping sensor fixing plate, a tray sensor fixing plate and a sensor, the clamping sensor fixing plate and the tray sensor fixing plate are fixed on the lower plate of the bracket, and the sensor is fixed on the clamping sensor fixing plate and the tray sensor fixing plate. plate, so as to ensure that the pallet reaches the correct working position.

Example 4 A method of adjusting and clamping the polar tabs of the polymer soft-packed lithium battery with the polar tab distribution on both sides by using the self-adjusting limit and capacity-distributing motion mechanism of the polymer soft-packed lithium battery described in Example 1 , including the following steps:

1) Put the polymer soft-packed lithium battery with the polar tabs on both sides into the battery tray 4, and then place the battery tray 4 on the battery tray support frame. The installation preparation is complete. Extend on both sides.

2) When the battery tray 4 is placed on the battery tray support device 3, when the X-direction cylinder 211 moves, it drives the X-direction plate 215 to move, and finally drives the probe position adjustment and the horizontal movement of the clamping device 2. When the X-direction X-direction block 223 of the cylinder part 22 hits the stop block 223, the X-direction cylinder 211 of the X-direction cylinder part 21 stops moving, and then the probe position adjustment and the clamping device 2 stop moving;

3) Then the X-direction electric cylinder 221 of the X-direction electric cylinder part 22 is activated, and then moves horizontally with the X-direction plate 215, and finally achieves the horizontal and precise movement of the pole ear clamping mechanism 24 in the X-direction, which is compatible with the polymer soft-pack lithium battery. The X-direction position of the pole ear is precisely matched;

4) When the clamping cylinder 231 of the cylinder part 23 in the Y direction moves, it drives the movement of the supporting plate 232 in the Y direction, which in turn drives the horizontal movement of the tab clamping mechanism 24. When matched, the movement stops;

5) When the probe position adjustment and the probe part of the clamping device 2 are in contact with the tab, and the positions are matched, the cylinder 241 of the tab clamping mechanism 24 is activated to make the probe clamp 242 clamp the tab.

The content described in the embodiments of the present specification is merely an enumeration of the realization forms of the inventive concept, and the protection scope of the present invention should not be regarded as limited to the specific forms stated in the embodiments, and the protection scope of the present invention also includes those skilled in the art Equivalent technical means conceivable according to the inventive concept.

Claims (9)

1. Spacing partial volume motion of automatically regulated of soft packet of lithium cell of polymer, its characterized in that includes:

the mechanism bottom plate is provided with a horizontal mounting platform and is used for supporting other parts of the automatic adjusting limiting capacity grading movement mechanism of the polymer soft package lithium battery;

the probe position adjusting and clamping devices are respectively arranged on the left side and the right side of the mechanism bottom plate and comprise position adjusting mechanisms and lug clamping mechanisms, wherein the position adjusting mechanisms are arranged on an installation platform of the mechanism bottom plate and used for adjusting the positions of the lug clamping mechanisms; the tab clamping mechanisms are arranged on the movable part of the position adjusting part, keep the clamping parts of the two sets of tab clamping parts opposite and are used for clamping the tabs of the polymer soft-package lithium battery;

the battery tray supporting device is arranged on the mounting platform, is positioned between the two sets of probe position adjusting and clamping devices and is used for bearing the polymer soft package lithium battery tray;

and the battery tray is positioned right above the battery tray supporting device and used for bearing the soft package lithium battery.

2. The automatic adjusting limiting and grading movement mechanism of the polymer soft-package lithium battery as claimed in claim 1, characterized in that: the probe position adjusting and clamping devices are provided with two sets, the components are consistent, the positions of the probe position adjusting and clamping devices are in a mirror image relationship, and the probe position adjusting and clamping devices are symmetrically arranged on the left side and the right side of the central line of the mechanism bottom plate and face the two sets of battery tray supporting devices; the position adjusting mechanism of the probe position adjusting and clamping device comprises an X-direction cylinder component, an X-direction cylinder component and a Y-direction cylinder component, wherein the X-direction cylinder component is arranged on a mechanism bottom plate and is used for adjusting the distance between two sets of lug clamping mechanisms; the X-direction cylinder component is arranged at the movable part of the X-direction cylinder component and is used for adjusting the distance between the two sets of lug clamping mechanisms to adapt to the polymer soft package lithium battery lugs; the Y-direction cylinder part is arranged on the movable part of the X-direction cylinder part and is used for driving the lug clamping mechanism to horizontally move in the Y direction and be matched with the Y-direction position of a lug of the polymer soft package lithium battery; the pole lug clamping mechanism is installed at the movable end of the Y-direction cylinder part and used for controlling the clamping and loosening of a test probe on the pole lug of the polymer soft package lithium battery, wherein the stretching directions of the X-direction cylinder part and the X-direction cylinder part are defined to be consistent, and the stretching directions of the Y-direction cylinder part are defined to be arranged along the clamping direction of the pole lug clamping mechanism and are Y-direction.

3. The automatic adjusting limiting and grading movement mechanism of the polymer soft-package lithium battery as claimed in claim 2, characterized in that: the X-direction cylinder part comprises an X-direction cylinder, an X-direction supporting shaft, an X-direction supporting seat, an X-direction bearing seat and an X-direction flat plate; the front end of the X-direction cylinder is supported on the mounting platform, and the tail end of the X-direction cylinder is fixedly connected with the X-direction flat plate through an X-direction bearing seat and used for providing power for the X-direction cylinder component to move in the X direction; the X-direction supporting shaft is fixedly arranged on the mechanism bottom plate through an X-direction supporting seat and used for providing translational motion guide for the X-direction cylinder part; the X-direction bearing block is sleeved on the X-direction supporting shaft, is connected with the X-direction supporting shaft in a sliding manner and is used for supporting and installing an X-direction flat plate; the X-direction flat plate is arranged on the X-direction bearing seat and used for supporting and installing other parts of the probe position adjusting and clamping device to axially slide along the X-direction supporting shaft.

4. The automatic adjusting limiting and grading movement mechanism of the polymer soft-package lithium battery as claimed in claim 2, characterized in that: the X-direction electric cylinder component comprises an X-direction electric cylinder, an X-direction limiting block and an X-direction stop block; the X-direction electric cylinder is arranged on the lower bottom surface of the flat plate, the stretching direction of the X-direction electric cylinder is consistent with that of the X-direction air cylinder, and the tail end of the X-direction electric cylinder is used as a pushing end and is provided with a limiting block; the stop block is installed on the installation platform and is located in the motion track range right in front of the limiting block and used for preventing the X from moving continuously towards the air cylinder.

5. The automatic adjusting limiting and grading movement mechanism of the polymer soft-package lithium battery as claimed in claim 2, characterized in that: the Y-direction cylinder part comprises a Y-direction cylinder, a Y-direction supporting plate, a Y-direction sliding rail, a Y-direction connecting plate and a Y-direction supporting shaft; the Y-direction cylinder is arranged on the Y-direction supporting plate and arranged along the Y direction of the probe position adjusting and clamping device, and the pushing end of the Y-direction cylinder is connected with the lug clamping mechanism and used for driving the lug clamping mechanism to translate along the Y direction; the Y-direction supporting plate is slidably mounted on the X-direction flat plate through a sliding rail and is used for supporting and mounting a lug clamping mechanism; the sliding rail is arranged on an X-direction flat plate of the X-direction cylinder part, is connected with the Y-direction supporting plate in a sliding manner, and is used for pushing the Y-direction supporting plate to be guided in a sliding manner along the Y direction by the Y-direction cylinder; and the two Y-direction connecting plates are arranged at two ends of the Y-direction supporting plate, are connected through a Y-direction supporting shaft and are used for supporting and installing the lug clamping mechanism.

6. The automatic adjusting limiting and grading movement mechanism of the polymer soft-package lithium battery as claimed in claim 1, characterized in that: the tab clamping mechanism comprises a clamping cylinder, a probe clamp and an installation plate; the two sets of clamping cylinders are respectively arranged at two end parts of the connecting plate, and the linear movable front ends of the clamping cylinders are arranged along the Y direction and used for controlling the probe clamp to clamp and loosen the polymer soft package lithium battery tab; the probe clamp is arranged at the front end of the linear movement of the clamping cylinder and faces the battery tray supporting device, and a plurality of clamping check blocks used for clamping the lugs of the polymer soft package lithium battery are axially arranged on the probe clamp and used for enabling the test probe to be in contact with the lugs of the polymer soft package lithium battery; the mounting plate is mounted on the Y-direction supporting plate and located on the inner side of the Y-direction connecting plate for supporting and mounting the probe clamp.

7. The automatic adjusting limiting and grading movement mechanism of the polymer soft-package lithium battery as claimed in claim 2, characterized in that: the battery tray supporting devices are provided with two sets, the two sets of battery tray supporting devices are consistent in component parts and are arranged in a mirror image relationship, are symmetrically arranged on the left side and the right side of the central line of the mechanism bottom plate and are positioned on a horizontal processing plane between the two sets of probe position adjusting and clamping devices and used for installing battery trays; the battery tray supporting device comprises a tray supporting part, a tray placing part, a battery tray holding part and a sensor detecting part; the two tray supporting parts are arranged on the mechanism bottom plate and play a role of supporting the tray placing part according to the working height; the tray placing component is arranged above the tray supporting component and used for placing the battery tray and providing a guiding and limiting effect for placing the battery tray; the tray holding component is positioned below one end of the tray placing component and is used for providing a holding effect after the battery tray is in place; the sensor detection part is located one end that the part was placed to the tray, and holds the part adjacent with the tray for whether supplementary detection has battery tray, then whether battery tray is in the effect of operating position.

8. The automatic adjusting limiting and grading movement mechanism of the polymer soft-package lithium battery as claimed in claim 1, characterized in that: the battery tray comprises a base, an outer frame and a lining, and a polymer soft package lithium battery is contained in the battery tray; the base is a bottom plate of the battery tray and is fixedly arranged with the outer frame. Notches for the polymer soft package lithium battery tabs to extend out are formed in two opposite side faces of the outer frame; the inside lining is laid on the surface at the end, is equipped with the screens that a plurality of is used for placing the soft packet of lithium cell of polymer in, makes the soft packet of lithium cell of polymer place perpendicularly on the screens, and keeps the utmost point ear of soft packet of lithium cell to stretch out from the breach left and right sides of frame.

9. The method for clamping by using the automatic adjusting limiting capacity grading movement mechanism of the polymer soft-package lithium battery of any one of claims 1 to 8 is characterized by comprising the following steps of:

1) the method comprises the following steps of putting the polymer soft-package lithium battery with lugs distributed on two sides into a battery tray, then putting the battery tray on a battery tray supporting frame, completely preparing for installation, and ensuring that the lugs of the polymer soft-package lithium battery extend out from two sides;

2) when the battery tray is placed on the battery tray supporting device, the X-direction cylinder moves to drive the X-direction flat plate to move and finally drive the probe position adjusting and clamping device to horizontally move;

3) starting an X-direction electric cylinder of the X-direction electric cylinder component, and then carrying out horizontal movement with the X-direction flat plate to finally achieve the purpose of horizontally and accurately moving the lug clamping mechanism in the X direction and accurately matching with the X-direction position of the lug of the polymer soft package lithium battery;

4) when the Y-direction cylinder of the Y-direction cylinder part moves, the support plate is driven to move, so that the lug clamping mechanism is driven to horizontally move, and when the lug clamping mechanism moves to a position matched with the position of a lug of a polymer soft-package lithium battery, the movement is stopped;

5) when the probe position adjustment and the probe part of the clamping device are in contact with the lug and the positions are matched, the clamping cylinder of the lug clamping machine component is started to enable the probe clamp to clamp the lug.

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